CN101027532B - System and apparatus for non-powered cleaning of tubular heat exchange systems - Google Patents
System and apparatus for non-powered cleaning of tubular heat exchange systems Download PDFInfo
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- CN101027532B CN101027532B CN2005800240362A CN200580024036A CN101027532B CN 101027532 B CN101027532 B CN 101027532B CN 2005800240362 A CN2005800240362 A CN 2005800240362A CN 200580024036 A CN200580024036 A CN 200580024036A CN 101027532 B CN101027532 B CN 101027532B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
Abstract
In the invention, a double shell swirler (100) and an unpowered cleansing system (50) using a ball (53), tubular heat exchange system (10) are combined together as a whole. The double shell swirler separates balls with a diameter smaller than the predetermined diameter, thus the ball can be dealt with, and changed. The double shell swirler (100) may be also used in separating scraps from the fluidof the tubular heat exchange system (10), as well as separating scraps accumulated on the ball. The cleansing system comprises: a plurality of balls (53) circulatorily flowing in the fluid of the heat exchange system, a ball inlet (55), a ball outlet (57) and a double shell swirler. Said ball is made from arbitrary resilient rubber materials, with a predetermined diameter, suitable for washing pipes in thermal converter. Said ball uses a asymmetric counter weight core, thus increasing the proportion of this ball.
Description
Technical field
The present invention relates to a kind of purging system of tubular heat exchange systems, particularly a kind of unpowered systems and device that is used to clean tubular heat exchange systems with the circulation of sphere.
Background technology
Tubular heat exchange systems is used in different industries, for example is used in the condenser of turbine, and freezing equipment is in the heat exchanger of gas system and cleaning system.It also is used in the power plant, seawater desalting plant and petrochemical industry aspect.These tubular heat exchange systems mainly are to utilize fluid to circulate in the pipe that some bundle to carry out heat exchange.This heat-exchange system operate to well-known technology, do not repeat them here.
For the efficient of heat exchange, safeguard that these pipes are necessary.The fragment and the dirt sediment that form because of the precipitation in tubular heat exchange systems, burn into crystallization, chemical reaction etc. can block pipe.The method of traditional scavenging duct need be closed this heat-exchange system, it is taken leave, and washes each pipe more physically.
Develop at present the purging system that makes new advances, used the sphere of rubber in its fluid circulation in the pipe of heat-exchange system.Many spheres that circulate in heat-exchange system will impel the pipe of sphere by at least one determined number.When sphere passed through pipe, any dirt sediment or fragment in the pipe promptly can be pushed out.It is quite effective that this new cleaning method has been proved aspect the frequency of closing heat-exchange system when minimizing is safeguarded.These systems are well-known at present, United States Patent (USP) the 5th, 592, and disclosed in No. 990 promptly is an example.
In the tubular type purging system of this use circulation sphere, the device that sphere is separated with heat-exchange system is indispensable.The rubber sphere can be worn after after a while, and each sphere is too little so that can't remove dirt in the pipe effectively, causes the reduction of cleaning efficiency.The sphere of each wearing and tearing must be recovered, and separates with heat-exchange system, and like this, new ball could import.At United States Patent (USP) the 5th, 592, in No. 990, sphere gatherer clamshell often is used to collect sphere and sphere and fluid is separated, and omits independent being used for sphere is led the hutch that enters this system.But it also has problem, even unworn sphere also is collected in the lump and handles.
At United States Patent (USP) the 4th, 974, in No. 662, the sphere isolator utilizes the formed opening in top of parallel orbit often by according to different preliminary dimensions, and sphere is classified.So this separated wearing and tearing sphere is collected in the one basket so that remove.When the sphere that has only these wearing and tearing separates with fluid, need to use a driving pump so that enough pressure to be provided, thereby sphere can be forced to by this sphere isolator.
Still lack at present a kind of sphere that uses in order to clean the unpowered purging system of the pipe in the heat-exchange system, utilize the sphere that effectively installs from fluid, to separate wearing and tearing.
Summary of the invention
The invention provides a kind of unpowered systems and device of circulation of the sphere that cleans tubular heat exchange systems.
So, primary aspect of the present invention, promptly be to provide a kind of unpowered purging system, in order to clean manifold in the heat-exchange system, described heat-exchange system has arrival end and outlet side, and wherein, fluid is used as heat exchange media, this fluid flows into described manifold from arrival end and flow to this outlet side again, and described purging system comprises: a plurality of spheres in fluid; One sphere inlet is linked to this outlet side, enters purging system to guide this fluid and a plurality of sphere; One sphere steering gear unit is linked to this sphere inlet, enters this sphere inlet to guide a plurality of spheres and fluid; One bivalve cyclone is linked to this sphere inlet, and in order to isolate a plurality of spheres below preliminary dimension from a plurality of spheres, described double shell swirler also can be used for isolating fragment from fluid; With sphere outlet, be linked to this double shell swirler, be used for and will enter the arrival end of heat-exchange system through a plurality of spheres after separating and fluid guiding;
Wherein, this double shell swirler comprises an elementary cyclone and a level cyclone; This secondary cyclone has the hole of a plurality of reservation shapes and size, and this secondary cyclone also is installed within this elementary cyclone.
The present invention on the other hand, promptly be to provide a kind of double shell swirler, in order to from a plurality of spheres manifold that cleans heat-exchange system, the purging system, to isolate a plurality of spheres below preliminary dimension, wherein, fluid is used as heat exchange media, and described double shell swirler comprises: an elementary cyclone; A level cyclone is installed within this elementary cyclone, and the hole with a plurality of reservation shapes and preliminary dimension; One elementary inlet tangentially enters into this elementary cyclone in order to guide fluid to be; Level inlet, the fluid that contains a plurality of spheres in order to guiding are and tangentially enter into this secondary cyclone; Wherein, described secondary cyclone allows that the sphere below predetermined diameter enters into described elementary cyclone by a plurality of holes, isolates the sphere below predetermined diameter thus from a plurality of spheres.
Another aspect of the invention, promptly be to provide the method for isolating a plurality of spheres below preliminary dimension in a kind of a plurality of balls from the pipe purging system, this method is used a bivalve cyclone, this double shell swirler has an elementary cyclone and and is installed in secondary cyclone within this elementary cyclone and the hole with a plurality of reservation shapes and preliminary dimension; Wherein, this secondary cyclone allows that a plurality of spheres below preliminary dimension enter into described elementary cyclone by described a plurality of holes, and this method may further comprise the steps:
A) the guiding fluid enters into this elementary cyclone, and guides the fluid that contains a plurality of spheres to enter into this secondary cyclone;
B) in elementary cyclone, form an elementary fluid vortex, and in secondary cyclone, form a level fluid vortex; And
C) from this secondary cyclone, isolate a plurality of below preliminary dimension sphere and make it enter into this elementary cyclone;
Wherein, the speed of this elementary fluid vortex is than the speed height of described secondary fluid eddy current, and this elementary fluid vortex has been strengthened a plurality of separating at the following sphere of predetermined diameter with the pressure differential between this secondary fluid eddy current.
Description of drawings
Below, with reference to the accompanying drawings the preferred embodiments of the present invention are described in detail.
Fig. 1 is the schematic diagram that is used for the unpowered purging system of fluid thermal exchange system of the present invention;
Fig. 2 is the profile of the double shell swirler of Fig. 1;
Fig. 3 has shown first and second cylindrical portions may of the double shell swirler of Fig. 2;
Fig. 4 is the section operation chart of the double shell swirler of Fig. 2;
Fig. 5 is the flow chart of method of operating of the present invention;
Fig. 6 is the profile at the top of Fig. 2 double shell swirler.
The specific embodiment
In the present invention, a bivalve cyclone is that the unpowered purging system that cleans tubular heat exchange systems with a usefulness sphere merges into a single whole.This double shell swirler is separated the sphere that worn and torn littler than preliminary dimension, thereby the sphere of described wearing and tearing can be removed or change.This double shell swirler also can be used for fluid from tubular heat exchange systems with chip separation, and will be accumulated in the chip separation on the sphere.
See also shown in Figure 1ly, heat-exchange system 10 includes manifold 17, is arranged in the heat exchange unit 21 with an arrival end 23 and an outlet side 25 described pipe 17 bunchys.Fluid flows into each pipe 17 of these heat exchange units 21 from arrival end 23, and with another fluid exchange of media heat energy in space 27, described space 27 is between the wall of each pipe 17 and this heat exchange unit 21.Then, fluid promptly can flow out from each pipe 17, and enters into the port of export 25 of heat-exchange system 10.One circulating pump (not shown) is used to usually produce and makes the fluid needed pressure differential that circulates in heat-exchange system 10.This pressure differential also can be in order to drive purging system of the present invention.
According to purging system 50 of the present invention, include: a plurality of spheres 53, one spheres of circulation inlet 55, one spheres outlet 57 and one bivalve cyclone 100 in heat-exchange system 10.Each sphere 53 in the fluid is predetermined diameter substantially, applicable to the pipe 17 that cleans in the heat exchange unit 21.And each sphere 53 can be to be made by various elastomeric materials, and almost any rubber-like material can use.And employed each sphere 53 all can use an asymmetric weight core among the present invention, so that control and revise the proportion of each sphere 53.
One sphere steering gear unit 63 is arranged on the outlet side 25, and it can be in order to collect by all spheres 53 after each pipe 17.Each sphere 53 and fluid then then can enter by sphere inlet 55 and be linked in the double shell swirler 100 of sphere steering gear unit 63.This sphere steering gear unit may be to throw the net or one basket, enters into this sphere inlet 55 to guide each sphere, and still allows fluid to flow.
This double shell swirler 100 helps from than each sphere 53 of isolating each big sphere 53 of predetermined diameter below predetermined diameter.This double shell swirler 100 also can enter into fluid in order to order about the fragment that accumulates on each sphere 53, and can isolate fragment simultaneously from fluid.
Will export 57 arrival ends 23 that are fed into heat-exchange system 10 by sphere than big each sphere 53 of predetermined diameter.This moment these spheres 53 with the chip separation of this accumulation, then cycle through each pipe 17 once more, clean each pipe 17.
Each sphere 53 littler than predetermined diameter can be retained in the double shell swirler 100, then discharges for processing from purging system 50.
This double shell swirler 100 is except can being advantageously used in from each sphere 53 and removing fragment and fragment is separated with fluid from being to isolate sphere 53 of each wearing and tearing big each sphere 53 than predetermined diameter.This double shell swirler 100 also impels fluid to enter in this double shell swirler 100 gathering way, and flows out this double shell swirler 100 with a very high speed.This will leave the zone generation low pressure of this double shell swirler 100 at fluid, and crosses this double shell swirler 100 generations one pressure differential.
Sphere outlet 57 is linked to the arrival end 23 of heat-exchange system 10.One Venturi tube 65 is installed in this arrival end 23, is connected with the sphere port of export 57 herein, can further produce extra pressure differential thus.This Venturi tube 65 makes fluid form contraction when flowing in this Venturi tube 65.Venturi tube 65 has been accelerated fluid-flow rate, has produced a low-pressure area.This can produce a kind of " suction " effect, further impels fluid and each sphere 53 to flow out sphere outlet 57, enters into the arrival end 23 of heat-exchange system 10.It is poor that the decline of pressure also helps the integral pressure between each sphere inlet 55 and each the sphere outlet 57 in the Venturi tube 65.
The effect that can further promote this purging system 50 by the installation of sphere counter 67 and sphere speed tracker 69.This sphere counter 67 can guarantee keeping in the circulation in purging system 50 number of optimum sphere 53, to obtain best cleaning performance.Sphere 53 is worn and can be removed by double shell swirler 100 when predetermined diameter is following, be accompanied by these, sphere counter 67 can be guaranteed: if there is too many sphere 53 to be eliminated, will send an alarm allows operating personnel know, if perhaps system is full automatic, will automatically new sphere 53 be joined in the purging system 50 so.
The speed that sphere speed tracker 69 is followed the trail of each sphere 53 in purging system.It is the cycling rate in the purging system 50 and the indication of performance that this speed can be used to be used as.
This sphere counter 67 and this sphere speed tracker 69 can be magnetic devices.Similarly, each tracked sphere 53 need have some metal ingredients.Employed each sphere 53 can be described as and have an asymmetric weight core among the present invention.This weight core can be to follow the trail of and monitor the metal of each sphere 53 and make by being fit to sphere counter 67 and sphere speed tracker 69.
Asymmetric weight core in each sphere 53 has realized that also the relative density of each sphere 53 is advantageously controlled.Each sphere 53 has the asymmetric weight core of different quality and size, makes each sphere 53 have different relative densities thus, therefore can present the cleaning efficiency of stochastic and dynamic.When heat exchange unit 21 and each pipe 17 are a horizontal direction, it will help each sphere 53 to have different relative densities.Each sphere 53 with different relative densities will trend towards entering into the pipe 17 that is in differing heights, because their different relative densities can make them that the tendency that remains on different depth in the fluid is arranged.Each sphere 53 that utilization has different relative densities can increase and cleans the more possibility of multitube 17.Diameter presents the stochastic and dynamic collision than each pipe 17 internal diameter each sphere 53 little, that have asymmetric weight core in each pipe 17 inside, therefore can produce cleaning performance preferably, has prolonged the service life of each sphere 53.
Also but installation check device 70a, 70b are with the openend of each pipe 17 of monitoring this heat exchange unit 21.Whether this testing fixture 70a, 70b mainly are in order to monitor the openend of each pipe 17, to get clogged significantly to check them. Testing fixture 70a, 70b also can clean the pipe 17 of sufficient amount effectively in order to guarantee employed each sphere 53 in this heat exchange unit 21.
See also shown in Figure 2ly, this double shell swirler 100 includes an elementary cyclone 110 and a level cyclone 120, and wherein this secondary cyclone 120 is installed within this elementary cyclone 110.Elementary inlet 111 guiding fluids enter into this elementary cyclone 110, and secondary inlet 121 then guides fluid to enter into secondary cyclone 120.This elementary inlet 111 is linked to this sphere inlet 55 with secondary inlet 121 boths.This secondary inlet 121 also each sphere 53 of tolerable enters into this secondary cyclone 120.This elementary cyclone 110 is with these secondary cyclone 120 both all bootable fluids and tangentially enters into this elementary cyclone 110 and secondary cyclone 120 respectively.
This elementary cyclone 110 also have one with this sphere outlet 57 elementary outlets 112 that are connected, be used as the path that fluid flows out this elementary cyclone 110.This elementary outlet 112 is used to also allow that each sphere 53 below predetermined diameter flows out this elementary cyclone 110.This secondary cyclone 120 similarly has a level outlet 122, this secondary outlet 122 also can be used as from this secondary cyclone 120 and removes the sphere bigger than predetermined diameter, and guides those spheres to get back in the circulation of this purging system 50 via this sphere outlet 57.
This elementary cyclone 110 can be a storage device in order to be used as, and is stored in each following sphere 53 of predetermined diameter, and each sphere 53 of wherein having been eliminated then can be discharged from this purging system 50.
This secondary cyclone 120 also includes the first cylindrical portion 120a that can link to each other with conus portion 120b.This first cylindrical portion 120a and conus portion 120b also can be provided with a plurality of hole 123a, 123b.These holes 123a, 123b have predetermined shape and size, and tolerable each sphere 53 below predetermined diameter is by entering into this elementary cyclone 110.Do the time spent, this secondary cyclone 120 impel than little each sphere 53 of predetermined diameter towards and enter into this elementary cyclone 110.Simultaneously, each sphere 53 bigger than predetermined diameter can be stayed in this secondary cyclone 120, and allows these secondary outlet 122 discharges of utilization, gets back in this purging system 50 via this sphere outlet 57.
The hole 123a of this first cylindrical portion 120a is a slot, and Arranged rings is on this first cylindrical portion 120a.The angle of described slot is arranged to count about 30 ° to 60 ° from this double shell swirler 100 horizontal lines; This horizontal line is shown in the arrow 5 of Fig. 2.The width of this slot has determined the diameter of the sphere 53 that can pass through, the angle of this slot then helps to make each sphere 53 to contact with this slot randomly, if the diameter of each sphere 53 below predetermined diameter, then can make each sphere 53 pass through.
The hole 123b of the conus portion 120b of this secondary cyclone 120 is substantially circular hole.These circular holes are in a predetermined manner all around being arranged on around this conus portion 120b.Equally, the size of each circular hole has also determined the size of each sphere 53 that can pass through.
See also shown in Figure 3, the also variation of the width of each hole 123a of tolerable of this first cylindrical portion 120a.This has allowed the variation of the predetermined diameter of each sphere 53 that can be by this slot.This first cylindrical portion 120a also includes one second cylindrical portion 120c, and this second cylindrical portion 120c cooperates the inside that is installed in this first cylindrical portion 120a.This second cylindrical portion 120c has the identical hole 123c with this first cylindrical portion 120a substantially.This second cylindrical portion 120c also is suitable for adjusting.Adjust the variation of width that this second cylindrical portion 120c can cause each hole 123a of this first cylindrical portion 120a.The part wall of the second cylindrical portion 120c does not have hole 123c, and described part wall is suitable for snapping among the hole 123a of first cylindrical portion 120a, has therefore reduced the width of hole 123a.
Selectively, this second cylindrical portion 120c can be fixed, and this first cylindrical portion 120a is adjustable.Perhaps, this first cylindrical portion 120a and this second cylindrical portion 102b both are adjustable.Its purpose mainly is the width that changes the hole 123a of this first cylindrical portion 120a selectively.
See also Fig. 4 and shown in Figure 5, in the method for operating 200 of this double shell swirler 100, step 210 at first is to guide the fluid that contains a plurality of spheres 53 to enter into this double shell swirler 100, enter into this secondary cyclone 120 via this secondary inlet 121, and only guide fluid to enter into this double shell swirler 100, enter into this elementary cyclone 110 via this elementary inlet 111.
Subsequently, step 215 is: be formed with an elementary fluid vortex 131 and a level fluid vortex 133 respectively simultaneously in this elementary cyclone 110 Yu in this secondary cyclone 120.
Fluid both in this elementary fluid vortex 131 and the secondary fluid eddy current 133 has centrifugal force, and this centrifugal force can cause that body or object with different relative densities separate.Separating power in this cyclone is well-known prior art, does not repeat them here.
The fluid that contains sphere 53 can each sphere 53 of experience in secondary fluid eddy current 133 and the separating of fluid.Along with centrifugal action on each ball sphere 53 and fluid, each sphere 53 denser than fluid will move to the wall of this secondary cyclone 120, and contacts with this wall.Contacting between this secondary cyclone 120 and each sphere 53 will impel each fragment that accumulates on each sphere 53 broken and freely enter into fluid.The turning effort of this secondary fluid eddy current 133 also will promote to remove fragment from each sphere 53.Each sphere 53 can further contact with each other and collide when rotating in this secondary cyclone 120, to promote removing fragment from each sphere 53.The fragment of removing from each sphere 53 can be manoeuvred into this elementary cyclone 110 by each hole 123a, 123b subsequently, and flows out for processing via this elementary outlet 112.
When each sphere 53 moves to the wall of this secondary cyclone 120, just carry out step 220, promptly from this secondary cyclone 120, be separated in each sphere 53 below the predetermined diameter.Each sphere 53 below predetermined diameter will enter into this elementary cyclone 110, and be eliminated out from this purging system 50 by a plurality of hole 123a, the 123b of this secondary cyclone 120.Each sphere 53 below predetermined diameter flows out this elementary cyclone 110 via this elementary outlet 112 subsequently.This each sphere 53 that is eliminated can move in the gathering-device subsequently for processing, and this fluid can be imported in this purging system 50 again.
In step 225, this must will be stayed in this secondary cyclone 120 by each big sphere 53 of predetermined diameter, and flows out this secondary cyclone 120 via this secondary outlet 122, is then led back to once more in this purging system 50 via this sphere outlet 57.
See also shown in Figure 6ly, this elementary inlet 111 and this secondary inlet 121 can further improve the function of double shell swirler 120 of the present invention.This elementary inlet 111 can be to begin to enter this elementary cyclone 110 with the small angle inclination less than 15 ° from the horizontal line shown in Fig. 2 arrow 5.This elementary inlet 111 also can have a stopper to change the size of this elementary inlet 111, therefore can change the speed that fluid enters this elementary cyclone 110.
This elementary inlet 111 also can further include two elementary inlet 111a, 111b, and it is positioned at the opposite side within this elementary cyclone 110.Each elementary inlet 111a, 111b also can be used for changing the speed that fluid enters this elementary cyclone 110.According to the present invention, the fluid velocity in elementary cyclone 110 is higher than the fluid velocity at this secondary cyclone 120.This can produce a pressure differential between this elementary cyclone 110 and this secondary cyclone 120.Higher fluid pressure will be helpful to the separating power of this double shell swirler 100 in this secondary cyclone 120, mainly is because the strength that this pressure differential produced is pointed to this elementary cyclone 110 from this secondary cyclone 120.
This elementary inlet 111a, 111b and this secondary inlet 121 therefore can be along peripherally guiding fluid to enter into this double shell swirler 100 substantially along the warp architecture of this cyclone.
Should be appreciated that under the situation that does not exceed scope of the present invention the personnel that know art technology can make various modifications and improvement.
Claims (24)
1. one kind in order to clean the unpowered purging system (50) of manifold (17) in the heat-exchange system (10), described heat-exchange system (10) has arrival end (23) and outlet side (25), wherein, fluid is used as heat exchange media, this fluid flows into described manifold (17) from arrival end (23) and flow to described outlet side again, and this purging system (50) comprising:
A plurality of spheres (53) in fluid;
One sphere inlet (55) is linked to described outlet side (25), enters into described purging system (50) to guide described fluid and a plurality of sphere (53);
One sphere steering gear unit (63) is linked to described sphere inlet (55), enters into described sphere inlet (55) to guide a plurality of spheres (53) and fluid;
One bivalve cyclone (100) is linked to described sphere inlet (55), and in order to isolate a plurality of spheres (53) below predetermined diameter from a plurality of spheres (53), described double shell swirler (100) is also in order to isolate fragment from fluid; With
One sphere outlet (57) is linked to described double shell swirler (100), in order to a plurality of spheres (53) and the fluid arrival end (23) that enter heat-exchange system (10) of guiding after separating;
Wherein, described double shell swirler (100) comprises an elementary cyclone (110) and a level cyclone (120); Described secondary cyclone (120) has the hole (123) of a plurality of reservation shapes and size, and described secondary cyclone (120) also is installed within the described elementary cyclone (110).
2. unpowered purging system according to claim 1 (50) also comprises a Venturi tube (65), and it is installed in described arrival end (23), to increase the pressure differential between the described port of export (57) and the described outlet side (25).
3. unpowered purging system according to claim 1 (50), wherein, each of a plurality of spheres (53) all has an asymmetric weight core.
4. unpowered purging system according to claim 3 (50), wherein, described asymmetric weight core is made of metal.
5. unpowered purging system according to claim 3 (50), wherein, described a plurality of spheres (53) have: the asymmetric weight core that the various different densities of generation of various different qualities and size are arranged.
6. unpowered purging system according to claim 1 (50) comprises that also one follows the trail of the sphere counter (67) of the quantity of a plurality of spheres in the described purging system.
7. unpowered purging system according to claim 1 (50) comprises that also one monitors the sphere speed tracker (69) of the speed of a plurality of spheres (53) in the described system.
8. unpowered purging system according to claim 3 (50), wherein, comprise that also one follows the trail of the sphere counter (67) of the quantity of a plurality of spheres in the described purging system, described sphere counter (67) is a magnetic devices, in order to work with the sphere with asymmetric counterweight metallic core.
9. unpowered purging system according to claim 3 (50), wherein, the sphere speed tracker (69) that also comprises the speed of a plurality of spheres (53) in the described system of a monitoring, described sphere speed tracker (69) is a magnetic devices, in order to work with the sphere with asymmetric counterweight metallic core.
10. unpowered purging system according to claim 1 (50) also comprises a testing fixture, and it is located at the openend of described manifold (17), in order to check the situation of described manifold (17).
11. unpowered purging system according to claim 2 (50) also comprises an auxiliary pump, is located at the critical positions in the heat-exchange system (10), reaches course of injection with the replenishing of heat-exchange system (10) that enter that strengthens each sphere.
A 12. double shell swirler (100), be used for from a plurality of spheres (53) manifold (17), purging system (50) that clean heat-exchange system (10), isolating the sphere (53) below predetermined diameter, wherein, fluid is used as heat exchange media, and described double shell swirler (100) comprising:
One elementary cyclone (110);
A level cyclone (120) is installed within the described elementary cyclone (110), and has the hole (123) of a plurality of reservation shapes and preliminary dimension;
One elementary inlet (111) tangentially enters into described elementary cyclone (110) in order to guide fluid to be; With
Level inlet (121), the fluid that contains a plurality of spheres (23) in order to guiding are and tangentially enter into described secondary cyclone (120);
Wherein, described secondary cyclone (120) allows that the sphere (53) below predetermined diameter enters into described elementary cyclone (110) by a plurality of holes (123), isolates the sphere (53) below predetermined diameter thus from a plurality of spheres (53).
13. double shell swirler according to claim 12 (100), wherein, described secondary cyclone (120) also comprises one first cylindrical portion (120a) and a conus portion (120b) that links to each other with described first cylindrical portion (120a).
14. double shell swirler according to claim 13 (100), wherein, the hole (123) of described first cylindrical portion (120a) also comprises a plurality of slots.
15. double shell swirler according to claim 14 (100), wherein, the angle of described a plurality of slots is arranged to begin to be about 30 ° to 60 ° from horizontal line.
16. double shell swirler according to claim 13 (100), wherein, a plurality of holes (123) of described conus portion (120b) comprise a plurality of circular holes.
17. double shell swirler according to claim 13 (100), wherein, described secondary cyclone (120) also comprises second cylindrical portion (120c), second cylindrical portion (120c) has and the identical hole of described first cylindrical portion (120a) substantially, described second cylindrical portion (120c) is arranged on described first cylindrical portion (120a) inside, wherein, move the change in size that described second cylindrical portion (120c) has promptly allowed a plurality of holes (123) of described first cylindrical portion (120a).
18. double shell swirler according to claim 13 (100), wherein, described secondary cyclone (120) also comprises second cylindrical portion (120c), second cylindrical portion (120c) has and the identical hole of described first cylindrical portion (120a) substantially, described second cylindrical portion (120c) is arranged on described first cylindrical portion (120a) inside, wherein, move the change in size that described first cylindrical portion (120a) has promptly allowed a plurality of holes (123b) of described first cylindrical portion (120a).
19. double shell swirler according to claim 12 (100), wherein, described elementary inlet (111) also comprises two elementary inlets, and it is arranged on the opposite side of described elementary cyclone (110).
20. double shell swirler according to claim 12 (100), wherein, described elementary inlet (111) is applicable to and changes the speed that fluid enters described elementary cyclone (110).
21. double shell swirler according to claim 12 (100), wherein, described elementary inlet (111) is suitable for guiding fluid to enter described elementary and secondary cyclone (110,120) along periphery respectively with described secondary inlet (121).
22. isolate the method for a plurality of spheres (53) below predetermined diameter in a plurality of spheres (53) from pipe purging system (50), this method is used a bivalve cyclone (100), this double shell swirler (100) has an elementary cyclone (110) and and is installed in secondary cyclone (120) within the described elementary cyclone (110), and described secondary cyclone (120) has a plurality of holes (123) that reservation shape and preliminary dimension are arranged; Wherein, described secondary cyclone (120) allows that a plurality of spheres (53) below predetermined diameter enter into described elementary cyclone (110) by described a plurality of holes (123), said method comprising the steps of:
A) the guiding fluid enters into described elementary cyclone (110), and guides the fluid that contains a plurality of spheres (53) to enter into described secondary cyclone (120);
B) in elementary cyclone (110), form an elementary fluid vortex, and in secondary cyclone (120), form a level fluid vortex; And
C) from described secondary cyclone (120), isolate a plurality of below predetermined diameter sphere (53) and make it enter into described elementary cyclone (110);
Wherein, the speed of described elementary fluid vortex is than the speed height of described secondary fluid eddy current, and described elementary fluid vortex has been strengthened separating of a plurality of sphere (53) below predetermined diameter with the pressure differential between the described secondary fluid eddy current.
23. method according to claim 22 is further comprising the steps of:
D) will guide once more through a plurality of spheres (53) after separating and enter into described pipe purging system (50).
24. method according to claim 22, wherein, step c) is further comprising the steps of:
C1) in secondary cyclone (120), from a plurality of spheres (53), shift out fragment; With
C2) from a plurality of spheres (53), isolate fragment and make described fragment enter into described elementary cyclone (110).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG200403902-0 | 2004-07-16 | ||
| SG2004039020 | 2004-07-16 | ||
| SG200403902 | 2004-07-16 | ||
| PCT/SG2005/000195 WO2006009515A1 (en) | 2004-07-16 | 2005-06-16 | System and apparatus for non-powered cleaning of tubular heat exchange systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101027532A CN101027532A (en) | 2007-08-29 |
| CN101027532B true CN101027532B (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2005800240362A Expired - Fee Related CN101027532B (en) | 2004-07-16 | 2005-06-16 | System and apparatus for non-powered cleaning of tubular heat exchange systems |
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| Country | Link |
|---|---|
| US (1) | US7735545B2 (en) |
| EP (1) | EP1794534B1 (en) |
| JP (1) | JP4759564B2 (en) |
| CN (1) | CN101027532B (en) |
| AT (1) | ATE520947T1 (en) |
| TW (1) | TWI337654B (en) |
| WO (1) | WO2006009515A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JP5403906B2 (en) | 2007-12-20 | 2014-01-29 | 三菱重工業株式会社 | SHOT PEENING APPARATUS AND SHOT PEENING CONSTRUCTION METHOD |
| US7975758B2 (en) * | 2008-05-27 | 2011-07-12 | Chung-Yueh Ho | Condenser tubes cleaning system |
| DE102010002633A1 (en) * | 2010-03-05 | 2011-09-08 | Dürr Ecoclean GmbH | Tool for cleaning and / or drying a cavity |
| SG189196A1 (en) * | 2010-10-01 | 2013-05-31 | Hvs Engineering Pte Ltd | A cleaning system |
| JP5561175B2 (en) * | 2011-01-04 | 2014-07-30 | 東京電力株式会社 | How to install a condenser clog prevention plate |
| KR101280508B1 (en) * | 2011-04-06 | 2013-07-01 | 설원실 | Automatic fouling removing system for plate type heat exchangers using cleaning balls |
| US9835393B2 (en) * | 2012-09-20 | 2017-12-05 | Jeongwoo Industrial Machine Co., Ltd. | Apparatus for circulating balls for cleaning a pipe line |
| CN104880122A (en) * | 2015-06-15 | 2015-09-02 | 天津大学 | Unpowered device capable of realizing automatic online cleaning of condenser through rubber balls |
| WO2017114385A1 (en) * | 2015-12-29 | 2017-07-06 | 中国海洋石油总公司 | An in-line heat exchange cleaning system for liquid treatment |
| CN105928416A (en) * | 2016-06-20 | 2016-09-07 | 深圳市勤达富流体机电设备有限公司 | Cleaning silica gel ball with adjustable balance weight and latticed surface |
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- 2005-06-16 WO PCT/SG2005/000195 patent/WO2006009515A1/en active Application Filing
- 2005-06-16 EP EP05752419A patent/EP1794534B1/en not_active Not-in-force
- 2005-06-16 JP JP2007521438A patent/JP4759564B2/en not_active Expired - Fee Related
- 2005-06-16 CN CN2005800240362A patent/CN101027532B/en not_active Expired - Fee Related
- 2005-07-15 TW TW094124215A patent/TWI337654B/en not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| ATE520947T1 (en) | 2011-09-15 |
| WO2006009515A1 (en) | 2006-01-26 |
| EP1794534B1 (en) | 2011-08-17 |
| CN101027532A (en) | 2007-08-29 |
| US20070204973A1 (en) | 2007-09-06 |
| JP2008506921A (en) | 2008-03-06 |
| TWI337654B (en) | 2011-02-21 |
| JP4759564B2 (en) | 2011-08-31 |
| US7735545B2 (en) | 2010-06-15 |
| EP1794534A1 (en) | 2007-06-13 |
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